1. Department of Radiation Oncology, University of Pennsylvania, Philadelphia
2. Department of Radiation Oncology, Washington University in St Louis, St Louis, Missouri
3. Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia
4. Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia
5. currently a medical student at Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
6. Division of Medical Oncology, University of Pennsylvania, Philadelphia
7. Abramson Cancer Center, University of Pennsylvania, Philadelphia